Manuals for Isuzu Diesel Engines

including Pisces

Dennison Berwick portrait

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3 simple steps to make your diesel system reliable and robust

STEP ONE  - Get the manuals for your equipment

Owner, Workshop and Parts Manuals are important documents that should be part of every vessel's library. They contain the detailed information necessary for safe operation, maintenance and correct servicing.  

The manuals on this page are provided for public information and education and can be downloaded for free.  All copyrights belong to copyright holders stated in the documents.

congratulations - by downloading these free manuals you are taking an important step towards making your engine more reliable and robust.


STEP TWO - regular maintenance

Simple, regular maintenance is the easiest, quickest and cheapest way to avoid problems and accelerated engine wear. Most expensive repairs start from a lack of basic maintenance or ignoring small warnings. The work is not difficult - it just needs to be done.

The purpose is so that we can enjoy our boat for all the reasons we bought her. Trust yourself. Do the work regularly and be methodical.


Download free checklists here

if you need clear, easy-to-understand help

300+ drawings

Seeing is Understanding

Marine Diesel Basics 1
Maintain, Winterize and Recommission

•  explains all parts of the marine diesel system - fuel,
lubrication, breathing, electrics, stern gland, propeller etc.
•  140+ tasks, 300+ drawings, 222 pages
•  tasks are fully explained with clear drawings and minimal text
•  all tools & supplies needed are illustrated for each task
•  paperback US$15.99 £10.99 €12.99
•  ebook (kindle, kobo, ibooks, google, epub) US$9.99


STEP THREE - keep a Maintenance Logbook

Keep a detailed and accurate record:

  1. all the work done on your diesel system - what, when  & by who
  2. inventory of serial numbers, component descriptions
  3. early warning of potential problems
  4. time and details of any changes in performance

Use a notebook or use your iPad, tablet or desktop and record the information in an editable PDF directly as you work.

click to enlarge

Maintenance eLogbook

If you've every struggled to keep a logbook, this editable eLogbook may be exactly the help you need.

- "fillable form" PDF
- clickable checklists
- write, edit  details of all tasks completed
- 40+ drawings to help inspections
- all common measurements with live calculators
- just $7.99 196 pages

"the Perfect Logbook" - verified purchaser


PISCES - marinized Isuzu

Pisces 27 etc. marine diesel engine Operating Instructions

Operating Instructions

Pisces 27
Pisces 40
Pisces 60

(based on Isuzu engine block)


21 pages
publ. - no date given


1 MB file

Isuzu diesel engine Pisces PartsIsuzu diesel engine Pisces PartsIsuzu diesel engine Pisces Parts

Pisces Parts List

160 pages
publ. - no date given

many Pisces marine engines were based on Isuzu blocks


16 MB file


Isuzu Serial Number Guide 2015

Engine Serial Number Location Guide

1 page
publ. November 2015


<1 MB file

Isuzu Serial Number Location

Engine Serial Number Location Guide

1 page
publ. May 2009


<1 MB file

Isuzu 2AB1 Workshop Manual

Workshop Manual

2AA1 - 3AA1
2AB1 - 3AB1

134 pages
publ. December 1983


5 MB file

Isuzu Diesel Engine 2CA1 Workshop Manual

Workshop Manual


147 pages
publ. December 2004


3 MB file

Isuzu 3C Series diesel engine Brochure


3C Series



2 pages
publ. - no date given


< 1 MB file


Isuzu 4L diesel engine Series Brochure


4L Series



2 pages
publ. - no date given


< 1 MB file


Isuzu 4H Series Diesel Engine Workshop Manual

Workshop Manual

4H Series

NKR66       NPR66
NPR70       NPR71
NPS66        NPS71
NQR66      NQR70

691 pages
publ. February 1999

30 MB file

Isuzu 6HK1 diesel engine Common Rail Service Manual

Service Manual

Common Rail System for ISUZU
6HK1/6SD1 Type Engine (Denso fuel pump)


23 page
publ. June 2003

<1 MB file

Isuzu 4J Series Diesel Engine Workshop Manual

Workshop Manual

4J Series



406 pages
publ. January 1999

22 MB file

Isuzu diesel Engines 4JA1 Workshop Manual Section 6

Workshop Manual


covers Troubleshooting,
Engine Mechanical, Cooling,
Fuel, Electrical, Exhaust

249 pages
publ. June 2001

4 MB file

Isuzu-4JA1-and-4JB1 Workshop Manual

Workshop Manual

4JA1 - 4JB1

1998 and later models

231 pages
publ. July 1998


6MB file

Isuzu A-4JG1 diesel engine Workshop Manual

Workshop Manual



225 pages
publ. August 1999

12 MB file

Isuzu 4JG2 Diesel Engine Service Manual

Service Manual



219 pages
publ. April 1996


11 MB file

Isuzu diesel engine 4JG1-TPA Parts Manual

Parts Manual



76 pages
publ. January 2007
lang. English

<1 MB

Isuzu Diesel Engine 3KC1 Repair Manual

Repair & Adjustment Manual


models from 1990 & later

94 pages
publ. - no date given


7 MB file

thumbnail of ISUZU-C223-Turbo-W-Shop-Manual

Workshop Manual Supplement

C223 Turbo Model


35 pages
publ. June 1984

1984 and later models


17 MB file



Isuzu 4LB1 diesel engine Instruction Manual

Instruction Manual



104 pages
publ. - no date given


4 MB file

Isuzu 4LE2 Diesel Engine Workshop Manual

Workshop Manual



121 pages
publ. September 1999
revised 2003


10 MB file

Isuzu AA-4BG1T Diesel Engine Workshop Manual

Workshop Manual



222 pages
publ. December 1999


14 MB file

Isuzu 2.2L diesel engine Parts Manual

Engine Parts Manual

2.2 Litre


36 pages
publ. September 2003


1 MB file

Isuzu Piston Ring Catalog

Isuzu Piston Ring Catalog
published by the Nippon Piston ring Co.


12 pages
publ. no date given


< 1 MB file

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